单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．A real change in body chemistry.
B．Importance of much sunlight.
C．Effects of less sunlight in winter.
D．Relationship between sunlight and health.
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D
单项选择题
A．They have to buy it.B．They have to apply for it.C．They have to give out their personal information.D．They have to buy a lot of things from the supermarket.
A．They have to buy it.
B．They have to apply for it.
C．They have to give out their personal information.
D．They have to buy a lot of things from the supermarket.
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